✨ 进一步同步 boot 和 cloud 代码，移除多余无用的类

yudao-framework/yudao-spring-boot-starter-web/src/main/java/cn/iocoder/yudao/framework/desensitize/core/slider/handler/AbstractDesensitizationHandler.java

@@ -1,78 +0,0 @@
-package cn.iocoder.yudao.framework.desensitize.core.slider.handler;
-
-import cn.iocoder.yudao.framework.desensitize.core.base.handler.DesensitizationHandler;
-
-import java.lang.annotation.Annotation;
-
-/**
- * 滑动脱敏处理器抽象类，已实现通用的方法
- *
- * @author gaibu
- */
-public abstract class AbstractDesensitizationHandler<T extends Annotation>
-        implements DesensitizationHandler<T> {
-
-    @Override
-    public String desensitize(String origin, T annotation) {
-        int prefixKeep = getPrefixKeep(annotation);
-        int suffixKeep = getSuffixKeep(annotation);
-        String replacer = getReplacer(annotation);
-        int length = origin.length();
-
-        // 情况一：原始字符串长度小于等于保留长度，则原始字符串全部替换
-        if (prefixKeep >= length || suffixKeep >= length) {
-            return buildReplacerByLength(replacer, length);
-        }
-
-        // 情况二：原始字符串长度小于等于前后缀保留字符串长度，则原始字符串全部替换
-        if ((prefixKeep + suffixKeep) >= length) {
-            return buildReplacerByLength(replacer, length);
-        }
-
-        // 情况三：原始字符串长度大于前后缀保留字符串长度，则替换中间字符串
-        int interval = length - prefixKeep - suffixKeep;
-        return origin.substring(0, prefixKeep) +
-                buildReplacerByLength(replacer, interval) +
-                origin.substring(prefixKeep + interval);
-    }
-
-    /**
-     * 根据长度循环构建替换符
-     *
-     * @param replacer 替换符
-     * @param length   长度
-     * @return 构建后的替换符
-     */
-    private String buildReplacerByLength(String replacer, int length) {
-        StringBuilder builder = new StringBuilder();
-        for (int i = 0; i < length; i++) {
-            builder.append(replacer);
-        }
-        return builder.toString();
-    }
-
-    /**
-     * 前缀保留长度
-     *
-     * @param annotation 注解信息
-     * @return 前缀保留长度
-     */
-    abstract Integer getPrefixKeep(T annotation);
-
-    /**
-     * 后缀保留长度
-     *
-     * @param annotation 注解信息
-     * @return 后缀保留长度
-     */
-    abstract Integer getSuffixKeep(T annotation);
-
-    /**
-     * 替换符
-     *
-     * @param annotation 注解信息
-     * @return 替换符
-     */
-    abstract String getReplacer(T annotation);
-
-}